Bharathidasan University M.Sc Microbiology Virology Nov 2021 Question Paper Download

Bharathidasan University Question Papers- Old Question Papers / Past and Previous Years Question Papers

S.No. 4078

(For candidates admitted from 2016–2017 onwards)

M.Sc. DEGREE EXAMINATION, NOVEMBER 2021.

Microbiology

VIROLOGY

Time : Three hours

Maximum : 75 marks

SECTION A — (10 x 2 = 20)

Answer ALL questions.

1. Envelope

2. Capsid

3. Haemagglutination

4. ELISA

5. Lambda Phage

6. dsDNA Phage

7. Retroviridae

8. SARS

9. Tobamo Virus

10. Poty Virus

SECTION B — (5 x 5 = 25)

Answer ALL questions, choosing either (a) or (b)min each.

11. (a) Write a short note on the classification of viruses.

Or

(b) Write in brief about sub viral agents.

12. (a) Give an account on cultivation of viruses on embryonated eggs.

Or

(b) Briefly explain about secondary cell culture.

13. (a) Discuss briefly about one step growth curve of bacteriophages.

Or

(b) Add a brief note on Cynophages.

14. (a) Write briefly about the pathogenesis and diagnosis of Papovavirus.

Or

(b) Write a short note on Picornavirus.

15. (a) Briefly explain about Potex virus.

Or

(b) Describe briefly about Rice tungro virus.

SECTION C — (3 x 10 = 30)

Answer any THREE questions.

16. Write in detail about the morphology and ultra structure of the virus.

17. What are the different serological methods used to diagnose viruses? Explain.

18. Describe in detail about the life cycle of bactriophages.

19. Write elaborately about the pathogenesis, prevention and treatment of HIV.

20. Write in detail about the transmission multiplication, symptoms and control of Mosaic disease of sugarcane.

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